Table 11b: Live Births by Calculated Gestation in Weeks and Resident County, New York State - 2021

County  Gestation in Weeks1
Total < 20 20-23 24-27 28-31 32-33 34-36 37-38 39-41 42+ Unknown
New York State
New York State 209,947 51 308 922 2,358 3,170 17,703 55,307 119,859 9,157 1,112
New York City
New York City 92,523 18 117 433 1,071 1,411 8,114 25,248 52,276 3,812 23
Bronx 16,834 5 38 135 259 357 1,720 4,776 8,868 670 6
Kings 33,384 5 34 130 376 444 2,627 8,498 19,798 1,463 9
New York 13,696 1 12 47 130 185 1,138 3,824 7,914 444 1
Queens 23,622 5 27 105 253 352 2,186 6,733 12,946 1,010 5
Richmond 4,987 2 6 16 53 73 443 1,417 2,750 225 2
Rest of State
Rest of State 117,424 33 191 489 1,287 1,759 9,589 30,059 67,583 5,345 1,089
Albany 2,925 1 5 13 42 52 254 799 1,665 92 2
Allegany 498 0 0 1 7 9 39 140 263 23 16
Broome 1,842 0 6 10 23 25 158 471 1,060 88 1
Cattaraugus 793 0 3 0 8 8 60 227 377 29 81
Cayuga 659 1 0 1 17 12 38 146 399 40 5
Chautauqua 1,253 0 3 3 18 14 117 314 684 59 41
Chemung 821 0 1 3 12 15 60 188 484 58 0
Chenango 473 0 0 3 5 7 29 88 312 26 3
Clinton 663 0 0 2 12 6 62 155 381 43 2
Columbia 476 0 0 1 7 6 42 127 266 25 2
Cortland 423 0 1 2 7 3 21 95 266 18 10
Delaware 361 0 0 2 8 7 24 78 222 20 0
Dutchess 2,641 1 2 12 31 48 212 602 1,625 100 8
Erie 9,516 7 25 46 118 169 879 2,634 5,249 385 4
Essex 267 0 0 3 0 4 21 73 150 12 4
Franklin 451 0 0 3 6 7 47 101 262 20 5
Fulton 487 0 0 2 7 9 43 113 271 42 0
Genesee 539 0 0 2 5 9 45 121 332 25 0
Greene 390 0 0 2 4 1 26 96 234 25 2
Hamilton 31 0 0 0 0 1 2 2 24 2 0
Herkimer 565 0 3 1 9 3 29 132 346 38 4
Jefferson 1,803 0 4 5 16 28 162 470 998 105 15
Lewis 290 0 1 1 2 7 22 70 168 16 3
Livingston 523 0 0 1 8 5 33 122 315 33 6
Madison 544 0 1 1 12 10 41 134 310 24 11
Monroe 7,718 3 15 36 109 114 681 1,977 4,396 384 3
Montgomery 578 1 2 2 8 4 35 137 341 43 5
Nassau 14,199 4 22 50 119 235 1,234 3,935 7,981 602 17
Niagara 1,986 2 6 12 26 29 199 550 1,086 75 1
Oneida 2,431 2 9 9 36 45 232 635 1,349 112 2
Onondaga 4,892 3 11 26 71 79 400 1,197 2,832 271 2
Ontario 979 0 1 3 10 10 76 251 580 47 1
Orange 5,617 1 14 34 39 74 364 1,164 3,411 351 165
Orleans 396 0 0 0 4 7 33 103 227 21 1
Oswego 1,137 0 3 5 14 15 89 261 659 73 18
Otsego 490 0 0 2 3 6 26 95 311 33 14
Putnam 915 1 0 2 8 18 80 225 544 35 2
Rensselaer 1,481 0 3 4 24 24 132 382 861 50 1
Rockland 6,386 1 7 20 45 59 330 1,243 3,821 343 517
St Lawrence 1,014 0 0 3 13 5 73 196 592 72 60
Saratoga 2,123 1 5 7 24 32 154 586 1,212 100 2
Schenectady 1,774 1 8 12 28 45 159 439 1,037 44 1
Schoharie 265 0 0 1 2 3 15 61 173 9 1
Schuyler 172 0 1 1 0 3 11 44 101 11 0
Seneca 344 0 0 1 3 6 20 60 230 24 0
Steuben 986 0 0 5 6 13 70 232 595 63 2
Suffolk 15,872 2 13 63 157 257 1,417 4,491 8,848 612 12
Sullivan 975 0 0 5 4 13 75 257 550 69 2
Tioga 464 0 0 3 6 3 34 112 281 22 3
Tompkins 701 0 0 1 9 5 43 171 430 42 0
Ulster 1,575 1 2 12 14 22 135 386 906 94 3
Warren 523 0 1 1 5 10 45 126 305 30 0
Washington 558 0 0 2 8 13 60 128 313 34 0
Wayne 878 0 1 5 8 17 61 197 540 48 1
Westchester 10,059 0 11 38 92 122 803 2,731 5,989 246 27
Wyoming 358 0 1 3 4 2 22 105 204 17 0
Yates 344 0 0 1 4 4 15 84 215 20 1

1 Gestation in weeks is either computed from the date of last menses or taken from clinical estimate. See Technical Notes for details.

Range of weeks reflects the number of completed weeks gestation. For example, 36 weeks and 6 days would be in the 34-36 range.